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A stainless steel Allen bolt refers to a type of fastener that is made of stainless steel and features an Allen or hexagonal socket on its head. It is also commonly known as a stainless steel Allen screw or stainless steel hex socket bolt.
The term “Allen” refers to the brand name of the hex socket wrench developed by the Allen Manufacturing Company. It has become a generic term used to describe fasteners with a hexagonal socket, regardless of the manufacturer.
Table Of Contents
- About Stainless Steel Allen Bolt
- Specification For Stainless Steel Allen Bolts
- Equivalent Grades Of Stainless Steel Allen Bolt
- Stainless Steel Allen Bolt Dimensions
- Stainless Steel Allen Head Bolt Size Chart
- Stainless Steel Allen Head Bolt Weight Chart
- Stainless Steel Button Head Allen Bolts Sizes
- Various Types of Stainless Steel Allen Bolts
- Ready Stock Of Stainless Steel Allen Bolt
- We Serve application Industry
- Export Destinations For Stainless Steel Allen Bolt
As a trusted supplier, we offer a diverse range of precision-engineered stainless steel allen bolts, ensuring secure and efficient fastening solutions for various applications that demand strength and convenience.
Choose us as your dedicated stainless steel allen bolts supplier, and gain access to a wide array of sizes and grades, as well as our dedication to delivering exceptional products and personalized service to match your specific project requirements.
Stainless steel Allen bolts are popular in various industries, including automotive, construction, machinery, and manufacturing. The stainless steel composition provides corrosion resistance, making these bolts suitable for outdoor applications or environments where exposure to moisture or chemicals is a concern.
The hexagonal socket on the head of the bolt allows for easy tightening or loosening using an Allen wrench or hex key. This design provides a secure connection and prevents the wrench from slipping off during the tightening process.
Stainless steel Allen bolts come in various sizes, lengths, and thread types to accommodate different applications. They are available in metric and imperial sizes, allowing for compatibility with both international and domestic standards.
When using stainless steel Allen bolts, it is essential to consider the specific requirements of your application, including the desired strength, load-bearing capacity, and environmental conditions.
What sizes are available for stainless steel Allen bolts?
Stainless steel Allen bolts come in a range of sizes, typically measured by their thread diameter and length. Common sizes include metric sizes (e.g., M4, M6, M8) and imperial sizes (e.g., 1/4″, 3/8″, 1/2″). It is important to select the appropriate size that matches the specific requirements of your project.
What grades of stainless steel are used for Allen bolts?
Stainless steel Allen bolts are available in different grades, including 18-8 (304), 316, and 316L. These grades offer varying levels of corrosion resistance, strength, and suitability for specific applications. The choice of grade depends on factors such as the environmental conditions, load requirements, and desired level of corrosion resistance.
What material is used for Allen bolt?
It comprises an externally threaded bolt or screw made from alloy steel and surface-treated for extra corrosion protection. This type of bolt is also known as socket screws, hex socket screws, cap screws, or Allen caps.
Specification For Stainless Steel Allen Bolts
| Standard | ISO 4017, DIN931, GB5783, DIN, ASTM, ANSI, JIS, EN, AS |
| DIN Standard | B.S. DIN933 DIN931 DIN934 DIN912 DIN603 DIN6923 |
| Allen Bolts Size | M2 – M100 |
| Allen Bolts Diameter | M3-M60 |
| Allen Bolts Length: | 6mm-500mm |
| Head: | Hex, Round, Flange Etc |
| Unified Thread Standard (UTS) | UNC, UNF, NPT, UNS, UNEF, NPTF |
| Forming | Hot Forged Bolts & Cold Forged Bolts |
Equivalent Grades Of Stainless Steel Allen Bolt
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
| SS 310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | – | X15CrNi25-20 |
| SS 310S | 1.4845 | S31008 | SUS 310S | 310S16 | 20Ch23N18 | – | X8CrNi25-21 |
| SS 316 | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | – | Z7CND17‐11‐02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
| SS 316Ti | 1.4571 | S31635 | SUS 316Ti | 320S31 | 08Ch17N13M2T | Z6CNDT17‐123 | X6CrNiMoTi17-12-2 |
| SS 317 | 1.4449 | S31700 | SUS 317 | – | – | – | – |
| SS 317L | 1.4438 | S31703 | SUS 317L | – | – | – | X2CrNiMo18-15-4 |
| SS 321 | 1.4541 | S32100 | SUS 321 | – | – | – | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | – | – | – | X12CrNiTi18-9 |
| SS 347 | 1.4550 | S34700 | SUS 347 | – | 08Ch18N12B | – | X6CrNiNb18-10 |
| SS 347H | 1.4961 | S34709 | SUS 347H | – | – | – | X6CrNiNb18-12 |
| SS 446 | 1.4762 / 3 | S44600 | – | – | – | – | – |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | – | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
| SMO 254 | 1.4547 | S31254 | – | – | – | – | X1CrNiMoCuN20-18-7 |
Dimensions Of Stainless Steel Allen Bolts
| Metric (d) |
Socket Depth (t minimum) |
Thread Length (b) |
Socket width | Head high | Head diameter | ||||
|---|---|---|---|---|---|---|---|---|---|
| (s Nom.) | (s minimum) | (s maximum) | (k maximum) | (k minimum) | (dk minimum) | (dk maximum) | |||
| M 4 | 2,0 | 20,0 | 3,0 | 3,02 | 3,08 | 4,0 | 3,82 | 6,78 | 7,0 |
| M 3 | 1,3 | 18,0 | 2,5 | 2,52 | 2,58 | 3,0 | 2,86 | 5,32 | 5,5 |
| M 6 | 3,0 | 24,0 | 5,0 | 5,02 | 5,14 | 6,0 | 5,7 | 9,78 | 10,0 |
| M 5 | 2,5 | 22,0 | 4,0 | 4,02 | 4,095 | 5,0 | 4,82 | 8,28 | 8,5 |
| M 10 | 4,0 | 32,0 | 8,0 | 8,025 | 8,175 | 10,0 | 9,64 | 15,73 | 16,0 |
| M 8 | 3,5 | 28,0 | 6,0 | 6,025 | 6,14 | 8,0 | 7,64 | 12,73 | 13,0 |
| M 14 | 6,0 | 40,0 | 12,0 | 12,032 | 12,212 | 14,0 | 13,57 | 20,67 | 21,0 |
| M 12 | 5,0 | 36,0 | 10,0 | 10,025 | 10,175 | 12,0 | 11,57 | 17,73 | 18,0 |
| M 20 | 8,0 | 52,0 | 17,0 | 17,05 | 17,23 | 20,0 | 19,48 | 29,67 | 30,0 |
| M 16 | 7,0 | 44,0 | 14,0 | 14,032 | 14,212 | 16,0 | 15,57 | 23,67 | 24,0 |
| M 27 | 12,0 | 66,0 | 19,0 | 19,065 | 19,275 | 27,0 | 26,48 | 39,61 | 40,0 |
| M 24 | 10,0 | 60,0 | 19,0 | 19,065 | 19,275 | 24,0 | 23,48 | 35,61 | 36,0 |
| M 30 | 13,5 | 72,0 | 22,0 | 22,065 | 22,275 | 30,0 | 29,48 | 44,61 | 45,0 |
Stainless Steel Allen Bolt Head Size
| minal Size | Thrd Dia. | Head Dia. | Head Height | Hex Width | Length | Thread Length |
| M1.6 x 0.35 |
1.6000 |
3.0000 |
1.6000 |
1.5600 |
2.5, 3, 4, 5, 6 to 12 by 2, 16 |
1.45, 1.95, 2.95, 3.95, 4.95 to 10.95 by 2, 14.95 |
| M2 x 0.4 |
2.0000 |
3.8000 |
2.0000 |
1.5600 |
3, 4, 5, 6 to 12 by 2, 16, 20 |
1.8, 2.8, 3.8, 4.8 to 10.8 by 2, 14.8, 16 |
| M2.5 x 0.45 |
2.5000 |
4.5000 |
2.5000 |
2.0600 |
4, 5, 6 to 12 by 2, 16, 20, 25 |
2.65, 3.65, 4.65 to 10.65 by 2, 14.65, 17, 18.65 |
| M3 x 0.5 |
3.0000 |
5.5000 |
3.0000 |
2.5800 |
5, 6 to 12 by 2, 16, 20, 25, 30 |
3.5, 4.5 to 10.5 by 2, 14.5, 18, 18.5 |
| M4 x 0.7 |
4.0000 |
7.0000 |
4.0000 |
3.0800 |
6 to 12 by 2, 16, 20 to 40 by 5 |
3.9 to 9.9 by 2, 13.9, 17.9, 20, 22.9 |
| M5 x 0.8 |
5.0000 |
8.5000 |
5.0000 |
4.0950 |
8, 10, 12, 16, 20 to 50 by 5 |
5.6 to 9.6 by 2, 13.6, 17.6, 22, 22.6 |
| M6 x 1 |
6.0000 |
10.0000 |
6.0000 |
5.1400 |
10, 12, 16, 20 to 60 by 5 | 7, 9, 13, 17, 22, 24, 27 |
| M8 x 1.25 |
8.0000 |
13.0000 |
8.0000 |
6.1400 |
12, 16, 20 to 70 by 5, 80 |
8.25, 12.25, 16.25 to 31.25 by 5, 28 |
| M10 x 1.5 |
10.0000 |
16.0000 |
10.0000 |
8.1750 |
16, 20 to 70 by 5, 80, 90, 100 | 11.5, 15.5 to 35.5 by 5, 32 |
| M12 x 1.75 |
12.0000 |
18.0000 |
12.0000 |
10.1750 |
20 to 70 by 5, 80 to 120 by 10 | 14.75 to 44.75 by 5, 36 |
| M16 x 2 |
16.0000 |
24.0000 |
16.0000 |
14.2120 |
25 to 70 by 5, 80 to 160 by 10 | 19 to 54 by 5 |
| M20 x 2.5 |
20.0000 |
30.0000 |
20.0000 |
17.2300 |
30 to 70 by 5, 80 to 160 by 10, 180, 200 |
22.5 to 62.5 by 5, 52 |
| M24 x 3 |
24.0000 |
36.0000 |
24.0000 |
19.2750 |
40 to 70 by 5, 80 to 160 by 10, 180, 200 | 31 to 66 by 5, 60 |
| M30 x 3.5 |
30.0000 |
45.0000 |
30.0000 |
22.2750 |
45 to 70 by 5, 80 to 160 by 10, 180, 200 | 34.5 to 59.5 by 5, 69.5, 72, 79.5, 89.5 |
| M36 x 4 |
36.0000 |
54.0000 |
36.0000 |
27.2750 |
55 to 70 by 5, 8 |
Weight Chart of Stainless Steel Allen Cap Screws
| LENGTH \DIA | M2 | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 | M24 | M30 | M36 | M42 | M48 | M56 | M64 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 0.0155 | |||||||||||||||||
| 4 | 0.0175 | |||||||||||||||||
| 5 | 0.0195 | 0.067 | ||||||||||||||||
| 6 | 0.0215 | 0.071 | 0.150 | |||||||||||||||
| 8 | 0.0255 | 0.080 | 0.165 | 0.245 | ||||||||||||||
| 10 | 0.0295 | 0.088 | 0.180 | 0.270 | 0.470 | |||||||||||||
| 12 | 0.0355 | 0.096 | 0.195 | 0.295 | 0.507 | 1.09 | ||||||||||||
| 16 | 0.0415 | 0.116 | 0.225 | 0.345 | 0.575 | 1.21 | 2.09 | |||||||||||
| 20 | 0.0495 | 0.136 | 0.265 | 0.401 | 0.653 | 1.34 | 2.29 | 3.21 | ||||||||||
| 25 | 0.161 | 0.315 | 0.478 | 0.759 | 1.50 | 2.54 | 3.57 | 4.80 | 7.13 | |||||||||
| 30 | 0.186 | 0.365 | 0.555 | 0.830 | 1.69 | 2.79 | 3.93 | 5.30 | 7.78 | 12.8 | ||||||||
| 35 | 0.415 | 0.632 | 0.991 | 1.89 | 3.04 | 4.29 | 5.80 | 8.44 | 13.9 | |||||||||
| 40 | 0.465 | 0.709 | 1.100 | 2.09 | 3.29 | 4.65 | 6.30 | 9.10 | 15.0 | 27.0 | ||||||||
| 45 | 0.786 | 1.210 | 2.29 | 3.61 | 5.01 | 6.80 | 9.76 | 16.1 | 28.5 | 50.0 | ||||||||
| 50 | 0.863 | 1.320 | 2.49 | 3.93 | 5.45 | 7.30 | 10.60 | 17.2 | 30.0 | 52.7 | ||||||||
| 55 | 1.430 | 2.69 | 4.25 | 5.89 | 7.80 | 11.40 | 18.3 | 31.6 | 55.4 | 87 | ||||||||
| 60 | 1.540 | 2.89 | 4.57 | 6.34 | 8.40 | 12.20 | 19.4 | 33.0 | 58.1 | 91 | 137 | |||||||
| 65 | 3.10 | 4.89 | 6.78 | 9.00 | 13.00 | 20.5 | 34.5 | 60.8 | 95 | 142 | ||||||||
| 70 | 3.30 | 5.21 | 7.13 | 9.60 | 13.80 | 21.6 | 36.3 | 63.5 | 99 | 147 | 204 | |||||||
| 80 | 3.70 | 5.85 | 8.02 | 10.80 | 15.40 | 24.1 | 39.9 | 69.0 | 107 | 158 | 218 | 334 | ||||||
| 90 | 6.49 | 8.91 | 12.00 | 17.00 | 26.6 | 43.5 | 74.5 | 115 | 168 | 232 | 353 | 522 | ||||||
| 100 | 7.12 | 9.80 | 13.20 | 18.6. | 29.1 | 47.1 | 80.0 | 123 | 179 | 246 | 372 | 547 | ||||||
| 110 | 10.70 | 14.40 | 20.20 | 31.6 | 50.7 | 85.5 | 131 | 189 | 260 | 392 | 573 | |||||||
| 120 | 11.60 | 15.60 | 21.80 | 34.1 | 54.3 | 91.0 | 139 | 200 | 274 | 411 | 598 | |||||||
| 130 | 16.80 | 23.40 | 36.6 | 57.9 | 96.5 | 147 | 210 | 288 | 430 | 623 | ||||||||
| 140 | 18.00 | 25.00 | 39.1 | 61.5 | 102 | 155 | 221 | 302 | 449 | 649 | ||||||||
| 150 | 26.60 | 41.6 | 65.1 | 108 | 163 | 232 | 316 | 468 | 674 | |||||||||
| 160 | 28.20 | 44.1 | 68.7 | 113 | 171 | 242 | 330 | 488 | 690 | |||||||||
| 180 | 49.1 | 75.9 | 124 | 187 | 264 | 359 | 527 | 725 | ||||||||||
| 200 | 54.1 | 83.1 | 135 | 203 | 286 | 387 | 565 | 775 | ||||||||||
| 220 | 90.3 | 146 | 219 | 308 | 415 | 604 | 825 | |||||||||||
| 240 | 97.5 | 157 | 225 | 330 | 443 | 642 | 875 | |||||||||||
| 260 | 168 | 241 | 352 | 471 | 681 | 926 | ||||||||||||
| 280 | 179 | 257 | 374 | 499 | 720 | 976 | ||||||||||||
| 300 | 190 | 273 | 396 | 527 | 758 | 1030 |
Stainless Steel Button Head Allen Bolts Sizes
| Metric Size | Head Diameter | Head Height | Hexagon Socket Size | Key Engagement |
|---|---|---|---|---|
| M3-0.5 | 6.72 | 1.86 | 2.00 | 1.10 |
| M4-0.7 | 8.96 | 2.48 | 2.50 | 1.50 |
| M5-0.8 | 11.20 | 3.10 | 3.00 | 1.90 |
| M6-1.0 | 13.44 | 3.72 | 4.00 | 2.20 |
| M8-1.25 | 17.92 | 4.96 | 5.00 | 3.00 |
| M10-1.50 | 22.40 | 6.20 | 6.00 | 3.60 |
| M12-1.75 | 26.88 | 7.44 | 8.00 | 4.30 |
| M16-2.00 | 33.60 | 8.80 | 10.00 | 4.80 |
| M20-2.50 | 40.32 | 10.16 | 12.00 | 5.60 |
Various Types of Stainless Steel Allen Bolts
SS Allen Flange Bolt
SS Allen Bolt Full Thread
SS Allen Bolt Half Thread
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